UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21Hmd7G1BD8AS25o8LT4mO4Eeh/V0IraUBPMv/IckRE=' 
WHERE 
  key_id = 'a4dfacca7bc846b2e4d79164fcf510acae10b6607e7ff2b7db9d44c0d37ff879' 
  AND (
    token = '21Hmd7G1BD8AS25o8LT4mO4Eeh/V0IraUBPMv/IckRE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )